Medical Laboratory Scientist Jobs in USA with Visa Sponsorship
Medical laboratory scientists have strong visa sponsorship prospects because the role clearly requires a bachelor's degree in clinical laboratory science or a related field. H-1B visa is the standard path, and hospitals, reference laboratories like Quest Diagnostics and LabCorp, and public health labs sponsor regularly. Many positions at academic medical centers and nonprofit hospitals are H-1B cap-exempt. ASCP certification is strongly preferred by most employers and strengthens the visa petition. For detailed occupation requirements, see the O*NET profile.
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Overview
Using formal and clinical education, with high degree of ethical behavior to perform manual and automated laboratory tests in the ARH Reference Laboratory to provide the highest quality of clinical information for the diagnosis, treatment and health maintenance provided by ARH, its clinical customers and patients.
Responsibilities
The Clinical Laboratory Scientist (CLS) or Medical Technologist (MT), will:
- process specimens for testing,
- use the laboratory information system to register patients, enter orders for testing, determine medical necessity and look up results and direct reports to the appropriate entities,
- discard specimens when testing is complete or lifespan is reached,
- perform CLIA Waived, Moderate and High complexity specimen testing and report results of testing once trained and competency is signed as satisfactory,
- contact specimen collector for information, as needed and appropriate within HIPAA,
- maintain a clean, orderly, well-stocked work environment,
- handle and process specimens and paperwork as instructed in written instruction in conjunction with verbal instruction,
- conduct chemical analysis of body fluids, including blood, urine, and spinal fluid, to determine presence of normal and abnormal components,
- analyze laboratory findings to check the accuracy of the results,
- enter data from analysis of medical tests and clinical results into computer for storage,
- operate, calibrate and maintain equipment used in quantitative and qualitative analysis, such as spectrophotometers, calorimeters, flame photometers, and computer-controlled analyzers,
- establish and monitor quality assurance programs and activities to ensure the accuracy of laboratory results, set up, clean, and maintain laboratory equipment,
- provide technical information about test results to physicians, family members and researchers,
- supervise, train, and direct lab assistants, medical and clinical laboratory technicians and technologists and other medical laboratory workers engaged in laboratory testing,
- study blood samples to determine the number of cells, their morphology, using microscopic techniques,
- assist in creating and maintaining written documentation, instructions and policies applicable to the ARH reference laboratory,
- analyze samples of biological material for chemical content or reaction,
- ensure completion of ordered testing in accordance with ARH written instruction or policy, industry best practices and clinician order,
- and other duties as assigned.
The Clinical Laboratory Scientist (CLS) or Medical Technologist (MT) not:
enter test results for testing they did not perform, and order testing without clean and specific clinician order.
Qualifications
Education:
- Clinical Laboratory Scientists/Medical Technologists have a 4-year academic and clinical degree (Bachelorette) or the equivalent to qualify for certification as a CLS or MT.
- Certification as a Medical Technologist (MT) or Clinical Laboratory Scientist (CLS) by ASCP, AAB, AMT or the equivalent preferred on hire; required within 12 months.
- Unless otherwise indicated, one year of current experience within the last three years in a comparable job classification required.
Minimum Work Experience:
Function as a General Laboratory Supervisor, to include, but not limited to the following:
- Be available for consultation by phone or in person to all healthcare personnel.
- Provide technical oversight to CLT and TLA personnel.
- Provide emergency leadership within the laboratory for the following, but not limited to, situations, in the absence of the Laboratory Administrator/Director or their designee.
- Site emergency covered by an ARH Life Safety SOP.
- Obtain staff coverage when receiving notification of an absence.
- Failure of testing or environmental instrumentation.
- Prepare culture media, chemicals, reagents and solutions, as appropriate to ARH position function.
- Perform bacteriologic, microscopic and chemical laboratory tests and examinations to obtain data for use in the diagnosis and treatment of disease, as appropriate to ARH position function.
- Use automated equipment and instruments capable of performing simultaneous testing including microscopes, cell counters and other lab equipment.
- Perform simple and complex mathematical calculations, as appropriate to ARH position function.
- Analyze results and communicate findings to the appropriate health care provider.
- Record findings in accordance with established policies, procedures and regulations.
- Perform and monitor quality control programs.
- Maintain inventory of supplies, material and equipment.
- Maintain and clean equipment and instruments as per established procedures and manufacturer’s instructions.
- Responsible for performing tasks that are within the scope of his/her educational preparation, knowledge and permitted by the policies and procedures of Supplemental Health Care, and other local, state, and federal guidelines; and the policies of the facility requesting the services.
- Educated on and compliant with HIPAA regulations; maintains strict confidentiality of client information.
- Complies with Infection Control, Standard Precautions and OSHA standards for the healthcare professional.
- Able to wear personal protective equipment (e.g., face mask, goggles, latex/non-latex gloves) as needed.
- Ability to work effectively within role independently and with other team members.
- Ability to organize and complete work in a timely manner.
- Ability to understand medical/surgical terminology.
Required Skills, Knowledge, and Abilities:
- Ability to read, write and effectively communicate in English.
- Completion of an accredited Medical Laboratory Technologist (MT) program.
- Current certification as a CLS/MT.
- Give full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.
- Use logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
- Understand written sentences and paragraphs in work related documents.
- Use scientific rules and methods to solve problems.
- Consider the relative costs and benefits of potential actions to choose the most appropriate one.
- Conduct tests and inspections of products, services or processes to evaluate quality of performance.
- Speak to others to convey information effectively.
- Identify complex problems and review related information to develop and evaluate options and implement solutions that will help their job function.
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Get Access To All JobsTips for Finding Visa Sponsorship as a Medical Laboratory Scientist
Earn MLS(ASCP) certification before your job search
The ASCP Board of Certification exam is the standard credential expected by U.S. laboratory employers. Having it before you apply demonstrates that you meet U.S. clinical laboratory standards and eliminates a common hiring barrier. International graduates can apply through the ASCP's international degree route if their education meets equivalency requirements.
Target hospital systems with multiple laboratory sites
Large health systems like Mayo Clinic, Cleveland Clinic, and Mass General Brigham operate high-volume laboratories that consistently need qualified MLS professionals. These organizations have established immigration processes and the resources to support H-1B petitions. Multi-site systems may also offer transfer opportunities that provide career advancement without changing employers.
Specialize in molecular diagnostics or blood banking
Molecular diagnostics, including PCR and next-generation sequencing, is one of the fastest-growing laboratory disciplines. Blood bank specialists with SBB(ASCP) certification are also in high demand due to the complexity and critical nature of transfusion medicine. Specialized expertise creates a stronger justification for sponsorship because qualified candidates are scarce.
Consider reference laboratory positions at Quest or LabCorp
National reference laboratories like Quest Diagnostics and LabCorp employ thousands of MLS professionals across their testing facilities. Their large HR departments and legal teams are experienced in handling visa petitions. Reference labs may also offer specialized testing roles in areas like toxicology, genetics, or esoteric testing that are harder to fill domestically.
Frequently Asked Questions
Can medical laboratory scientists get H-1B sponsorship?
Yes. Medical laboratory scientist positions typically require a bachelor's degree in clinical laboratory science, medical technology, or a related biological science, which meets the H-1B visa specialty occupation threshold. Hospital laboratories, reference labs, and public health laboratories hire MLS professionals and may sponsor qualified international candidates. Having your MLS(ASCP) certification strengthens the petition significantly.
What is the MLS(ASCP) certification, and is it required?
The MLS(ASCP) credential from the American Society for Clinical Pathology is the most widely recognized certification for medical laboratory scientists in the U.S. While not legally required in all states, most employers expect it as a condition of hire. The certification requires a qualifying degree and passing the ASCP Board of Certification exam, which covers clinical chemistry, hematology, microbiology, immunology, and blood banking.
Do medical laboratory scientists need VisaScreen certification?
Medical technologists and clinical laboratory scientists are on the list of occupations that may require VisaScreen certification from CGFNS for certain visa categories. The requirement applies primarily when seeking an immigrant visa or specific nonimmigrant classifications. Check the current CGFNS requirements for your specific visa pathway, as regulations can change.
Are there shortages of medical laboratory scientists in the U.S.?
Yes. The American Society for Clinical Laboratory Science has reported persistent vacancy rates in hospital laboratories, driven by an aging workforce and insufficient new graduates entering the field. This shortage means employers - particularly in rural areas and smaller hospital systems - may be more motivated to sponsor international MLS professionals. The COVID-19 pandemic further highlighted the critical need for laboratory staffing.
How to find Medical Laboratory Scientist jobs with visa sponsorship?
To find Medical Laboratory Scientist jobs with visa sponsorship, use Migrate Mate, which specializes in connecting international healthcare professionals with sponsoring employers. Focus your search on hospitals, diagnostic laboratories, research institutions, and pharmaceutical companies that commonly sponsor H-1B, TN visa, and other work visas for laboratory professionals with specialized medical testing expertise.
What is the prevailing wage requirement for sponsored Medical Laboratory Scientist jobs?
When a U.S. employer sponsors a foreign worker for a work visa, they are legally required to pay at least the "prevailing wage" — the average wage paid to workers in the same occupation, in the same geographic area, with similar experience. This is set by the Department of Labor to prevent employers from hiring foreign workers at below-market rates. The prevailing wage varies significantly by role, location, and experience level — for example, a medical laboratory scientist in California will have a different prevailing wage than the same role in a smaller state. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search.